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Self intersecting error on loft with spline guides

avi_yaaravi_yaar Member Posts: 3 ✭
in Drawings
I'm trying to loft an arch of sorts to a rectangle using 4 3-d spline curves as guides (from each corner of the rectangle to each corner of the arch). The loft fails to generate with an error "Current selections would create a self-intersecting body". I can't figure out why OnShape thinks this shape would self-intersect and how to get rid of this error. 

Document link: https://cad.onshape.com/documents/d3181dee477c8c59410aa80b/w/9090641182f2387d624296ec/e/4731909694e26880a1b5f8a3

Would appreciate any help - thanks!

Answers

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    NeilCookeNeilCooke Moderator, Onshape Employees Posts: 5,399
    Hi @avi_yaar - the bottom of your curves are tangent to the end profile. You can't loft to a face if the guides are tangent to that face - it will self-intersect. Edit your curves so that they are at least normal to both profiles.


    Senior Director, Technical Services, EMEAI
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    avi_yaaravi_yaar Member Posts: 3 ✭
    This suggestion solved my problem. Thank you so much Neil! 
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